Table 5.

Reasons for parents not vaccinating children for varicella.

	Chiba city (N = 145)	Nishitokyo city (N = 84)
Planning to vaccinate in future	25 (17.2%)	4 (4.8%)
Children are not expected to be vaccinated due to	26 (18.0%)	21 (25.0%)
Previous infection of varicella	24 (16.6%)	21 (25.0%)
Other medical conditions (such as post gamma-globulin therapy)	2 (1.4%)	0 (0%)
Have little knowledge on vaccines	9 (6.2%)	14 (16.7%)
Do not consider varicella to be a serious disease	4 (2.8%)	7 (8.3%)
Afraid of side effects of varicella vaccine	4 (2.8%)	6 (7.1%)
Consider varicella vaccine to be ineffective	2 (1.4%)	5 (6.0%)
Agree that there are barriers to vaccination	87 (60.0%)	33 (39.3%)
Cost of vaccines is too expensive	44 (30.3%)	10 (11.9%)
Have no time to take children for vaccinations	22 (15.2%)	9 (10.7%)
There are too many other vaccines	47 (32.4%)	20 (23.8%)
Effect of surroundings	19 (13.1%)	11 (13.1%)
Family doctors did not recommend the vaccine	15 (10.3%)	8 (9.5%)
Neighbors did not vaccinate their children either	6 (4.1%)	3 (3.6%)
Articles read on the internet advised not to vaccinate children	1 (0.7%)	0 (0%)
Other	6 (4.1%)	14 (16.7%)